[PATCH] Add --info-only option to git-update-cache.

diff --git a/update-cache.c b/update-cache.c
index d5225c37644086f9b3c0b911c6e283fb5ec50c8e..cc4298ac4fa501136cfec192c047bc92138d5285 100644 (file)
--- a/update-cache.c
+++ b/update-cache.c
@@ -12,7 +12,7 @@
  * like "git-update-cache *" and suddenly having all the object
  * files be revision controlled.
  */
-static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0, quiet = 0;
+static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0, quiet = 0, info_only = 0;
 static int force_remove;
 
 /* Three functions to allow overloaded pointer return; see linux/err.h */
@@ -68,7 +68,7 @@ static int add_file_to_cache(char *path)
                fd = open(path, O_RDONLY);
                if (fd < 0)
                        return -1;
-               if (index_fd(ce->sha1, fd, &st, 1, NULL) < 0)
+               if (index_fd(ce->sha1, fd, &st, !info_only, NULL) < 0)
                        return -1;
                break;
        case S_IFLNK:
@@ -77,7 +77,12 @@ static int add_file_to_cache(char *path)
                        free(target);
                        return -1;
                }
-               if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
+               if (info_only) {
+                       unsigned char hdr[50];
+                       int hdrlen;
+                       write_sha1_file_prepare(target, st.st_size, "blob",
+                                               ce->sha1, hdr, &hdrlen);
+               } else if (write_sha1_file(target, st.st_size, "blob", ce->sha1))
                        return -1;
                free(target);
                break;
@@ -382,6 +387,10 @@ int main(int argc, char **argv)
                                i += 3;
                                continue;
                        }
+                       if (!strcmp(path, "--info-only")) {
+                               info_only = 1;
+                               continue;
+                       }
                        if (!strcmp(path, "--force-remove")) {
                                force_remove = 1;
                                continue;